tests/test_venue_parity_contract.sh holds every venue to one harness: a
workflow step may provision, move artifacts, or call a canonical leg
entry, and the product-exercising commands live inside scripts/. The
test-ui job ran npm inline and tripped it on the local ladder.
scripts/ci/test-ui.sh is now the whole leg (install without a browser
download, vitest, the style and promise scans, the portable frozen
acceptance checks, the production build); the job calls it, and running
the same script locally is the same leg. Contract green again
(22 workflows marker-checked, 10 walked).
Signed-off-by: Martin Vogel <martin.vogel.tech@gmail.com>